欧美日韩黄网欧美日韩日B片|二区无码视频网站|欧美AAAA小视频|久久99爱视频播放|日本久久成人免费视频|性交黄色毛片特黄色性交毛片|91久久伊人日韩插穴|国产三级A片电影网站|亚州无码成人激情视频|国产又黄又粗又猛又爽的

When I got home, I found the door open. A．terrible thought     me—had anyone broken.
A．beat               B．knocked        C．struck         D．a(chǎn)ppeared

—What worried him so much?
—His hair’s            grey.

The book        ten units, two revisions           .

What does ‘T.G’         in ‘T.G’ Smith?

The opening policy has        many changes to china.

They didn’t know how the change had        .

—The cars give off a great deal of waste gas in the street.
—Yes, But I’m sure something will be done to       air pollution.

When they saw they were surrounded by our troops, the enemies soldiers          .

The world will be different and we will have to be more ready to_____ the changes.

Some insects ______ the color of their surroundings to protect themselves.